What, if anything, seems to improve your symptoms? These products are especially dangerous for anyone who takes nitrates. Is my erectile dysfunction most likely temporary or chronic? In addition to your prepared questions, don’t hesitate to ask additional questions during your appointment. When you make the appointment, be sure to ask if there’s anything you need to do in advance. Request an appointment There is a problem with information submitted for this request. The most common side effects of VIAGRA: headache; flushing; upset stomach; abnormal vision, such as changes in color vision such as having a blue color tinge and blurred vision; stuffy or runny nose; back pain; muscle pain; nausea; dizziness; rash.What can I do about it? ” Take the first step and talk to your doctor Important Safety Information and Indication Do not take VIAGRA if you: • take any medicines called . other healthcare providers trusted friends or family members You should also check a doctor’s credentials on your state medical board’s site. Keep in mind that if you’re . Talk to your doctor and/or your pharmacist to ask if you should be getting brand-name VIAGRA. How do I know if I received brand-name VIAGRA? Check your pills for the .